diff options
Diffstat (limited to 'sys/dev/pci/drm/i915/intel_pm.c')
| -rw-r--r-- | sys/dev/pci/drm/i915/intel_pm.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/dev/pci/drm/i915/intel_pm.c b/sys/dev/pci/drm/i915/intel_pm.c index 6aec6c0a5a9..fb3d21cdac3 100644 --- a/sys/dev/pci/drm/i915/intel_pm.c +++ b/sys/dev/pci/drm/i915/intel_pm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: intel_pm.c,v 1.6 2013/06/01 02:03:30 kettenis Exp $ */ +/* $OpenBSD: intel_pm.c,v 1.7 2013/07/04 09:52:29 jsg Exp $ */ /* * Copyright © 2012 Intel Corporation * @@ -3789,6 +3789,7 @@ cpt_init_clock_gating(struct drm_device *dev) { struct inteldrm_softc *dev_priv = dev->dev_private; int pipe; + uint32_t val; /* * On Ibex Peak and Cougar Point, we need to disable clock @@ -3801,8 +3802,12 @@ cpt_init_clock_gating(struct drm_device *dev) /* The below fixes the weird display corruption, a few pixels shifted * downward, on (only) LVDS of some HP laptops with IVY. */ - for_each_pipe(pipe) - I915_WRITE(TRANS_CHICKEN2(pipe), TRANS_CHICKEN2_TIMING_OVERRIDE); + for_each_pipe(pipe) { + val = TRANS_CHICKEN2_TIMING_OVERRIDE; + if (dev_priv->fdi_rx_polarity_inverted) + val |= TRANS_CHICKEN2_FDI_POLARITY_REVERSED; + I915_WRITE(TRANS_CHICKEN2(pipe), val); + } /* WADP0ClockGatingDisable */ for_each_pipe(pipe) { I915_WRITE(TRANS_CHICKEN1(pipe), |